The Real Housewives of New Jersey star turned 45 Thursday and celebrated with her family, including her four daughters—Gia, 16, Gabriella, 12, Milania, 11, and Audriana, 7.

Teresa posted on her Instagram page a photo of them surrounding her as well as a black and white zebra-style frosted cake that reads, "Happy birthday Teresa."

This marks the second birthday Teresa has celebrated with her kids without husband Joe Giudice, who began a 41-month prison sentence for fraud in March 2016. He was jailed as scheduled months after Teresa served 11 months behind bars for the same crime and is due to be released in 2019.

This also marks the first birthday Teresa has celebrated since her mother Antonia Gorgapassed away at age 66 this past March.

Photos

Her sister-in-law and Real Housewives co-star Melissa Gorga posted on her Instagram page a photo of her and Teresa, who is holding her cake, alongside a birthday greeting.

"Happy Birthday to my beautiful sis in law @teresagiudice," she wrote. "Have the greatest day! See you later:) love u❤️ Gorg zebra cake from @carlosbakery in Morristown."

The celebrations will continue later in the day, as Teresa, her brother Joe Gorga, Melissa—his wife, and the siblings' father Giacinto Gorga are opening a new Italian restaurant, Gorga's Homemade Pasta & Pizza, in East Hanover, New Jersey, E! News has learned exclusively.

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